Page 331 of 372
0 If your engine has a thermostatically
controlled cooling fan, inspect
all hoses
and ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is CI Noise
Emissim Control Service. Applicurhle OMI~ to
whicles sold ir? the United States.
DATE ACTUAL MILEAGE SERVICED BY
Change automatic transmission fluid
and filter
if the vehicle’s GVWR is over
8600 Ibs. or if the vehicle is mainly driven
under one or more
of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90 OF
(32°C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
I DATE I ACTUAL MILEAGE ISERVICED BY I
7-35
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Long Tripmighway Maintenance Schedule -- Gasoline Engines I
52,500 Miles (87 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 12 months, whichever occurs first).
0 Check axle fluid level and add fluid
as needed.
‘M
I7 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information. During
tire rotation, check brake calipers for
freedom
of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
I DATE I ACTUALMILEAGE SERVICED BY:^
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every
I2 months, whichever occurs first).
Lubricate chassis components; see
An Emissiorl Control Service.
footnote ## (or every 12 months, whichever
occurs first).
as needed.
**
(or at each brake relining, whichever
occurs first).
0 Check axle fluid level and add fluid
0 Clean and repack the front wheel bearings
0 Inspect engine accessory drive belt.
0 Replace fuel filter.
A17 Elnissiorl Co~~rol Service.
AIZ Emission Corz~ol Servicv. ?
7-36 -
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Page 333 of 372

0 Replace air cleaner filter.
An Emission Control Service.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service.
0 Vehicles With GVWR Above 8,500 lbs. Only:
Inspect shields and underhood insulation for
damage or looseness. Adjust or replace
as
required. This is a Noise Emission Control Service.
Applicable only
to vehicles sold in the United States.
controlled cooling fan, inspect all hoses
and ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is a Noise
Emission Control Service. Applicable
only to
vehicles sold in the United States.
If your engine has a thermostatically
0 Conduct Exhaust Gas Recirculation (EGR)
system inspection as described in the
service manual.
An Emission Control Service. T
inspection. Check all fuel and vapor lines
and hoses for proper hook-up, routing and
condition. Check that the purge valve works
properly, if equipped. Replace as needed.
An Emission Control Service. T
0 Conduct evaporative control system
7
ACTUAL MILEAGE SERVICED BY:
- 7-37
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Page 334 of 372

67,500 Miles (112 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
A17 Em.issiorl Corztrol Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check axle fluid level and add fluid
as needed. WI:
Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information. During
tire rotation, check brake calipers for
freedom of movement. Refer
to the
appropriate
GM service manual for proper
caliper service procedures.
I DATE I ACTUAL MILEAGE ISERVTCED BY: I
75,000 Miles (125 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
Alz Ernissiorl Cmtrvl Service.
0 Lubricate chassis components; see
footnote
# (or every I2 months, whichever
occurs first).
as needed.
**
0 Check axle fluid level and add fluid
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace
as required. This is CI Noise Emission
Control Service.
Applicuhle nnly to \xhic:les sold in
the United Stcrtes.
7-38
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Page 335 of 372
Long TripMighway Maintenance Schedule -- Gasoline Engines
0 If your engine has a thermostatically
controlled cooling fan, inspect all hoses
and ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is (1 Noise
Emission Control Service. Applicuhle only to
vehicles sold in the United Stutes.
DATE ACTUAL MILEAGE SERVICED BY
82,500 Miles (137 500 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
An Enlissiorz Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
Check axle fluid level and add fluid
as needed. **
0 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern
and additional information. During
tire rotation, check brake calipers for
freedom of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
DATE ACTUAL MILEAGE SERVICED BY
7-39
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Page 338 of 372
I Long Tripmighway Maintenance Schdule -- basolme 1
100,000 M FS (166 000 km) (Continued)
0 Change automatic transmission fluid and
filter if the vehicle's GVWR is over
8600 lbs. or if the vehicle is mainly driven
under one or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90°F
(32°C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
[f'yc~ do not LIS~ your vehicle Llnder my oj'
these conditions, the Jluid and jilter do not
require clzmging.
17 Inspect Positive Crankcase Ventilation
(Pcv) valve.
AII Ernission Control Sewice.
I I I 3
DATE SERVICED BY ACTUAL MILEAGE
7-42
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Page 353 of 372

For prompt assistance, please have the following information
available to give the Customer Assistance Representative:
Your name, address, home and business
telephone numbers
0 Vehicle Identification Number (This is available
from the vehicle registration or title, or the plate at
the top left
of the instrument panel and visible
through the windshield.)
Dealership name and location
Vehicle delivery date and present mileage
0 Nature of concern
We encourage you to call us
so we can give your inquiry
prompt attention. However,
if you wish to write GMC
Truck, write to:
GMC Truck Customer Assistance
3 1 E. Judson Street 1607-04
Pontiac, MI 48342-2230 Refer
to your Wdrranty and Owner Assistance
Information booklet
for addresses of Canadian and GM
Overseas offices.
When contacting GMC Truck, please remember that your
concern
will likely be resolved in the dealership, using the
dealer’s facilities, equipment and personnel. That is
why we
suggest you follow Step One first
if you have a concern.
Customer Assistance for Text
Telephone (TTY)
Users
To assist customers who are deaf, hard of hearing,
or speech-impaired and who use Text Telephones
(TTYs), GMC Truck has TTY equipment available
at its Customer Assistance Center.
Any TTY user
can communicate
with GMC Truck by dialing:
1-800-GMC-8583. (TTY users
in Canada can
dial 1-800-263-3830.)
8-3
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Page 355 of 372
The Roadside Assistance services listed are available to retail and retail lease customers operating
1997 GMC light duty trucks for a period of
3 years/36,000 miles (60 000 km). All services must
be pre-arranged by GMC Truck Roadside Assistance.
Over-the-phone assistance, such as providing the name
of the closest dealer or minor technical advice, etc., is
available to all ownerhperators
of GMC trucks,
regardless
of vehicle or mileage.
Just dial
GMC Truck Roadside Assistance at
1 -800-GMC-TRUCK ( 1-800-462-8782, Roadside
Assistance prompt) to reach a qualified representative
who can assist
you.
Your Roadside Assistance representative will ask for the
following information when your call
is received:
0 Vehicle Identification Number (VIN)
Name and home address
Telephone number and location from which you
Location, license plate number and color of your
are
calling
GMC truck
8-5
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